D

Dial Indicator format:: Just another term meaning dial indicator arrangement
Draw straws:: Rhetorical slang term meaning to discuss and agree on what the next move should be. If it comes to drawing straws or a coin toss, etc., remember this: everybody wins! Whoever was right, won. Whoever was wrong has learned something. Therefore, both are winners.
Drive bearings: In motor alignment context, this will mean the bearings of the driving unit which will normally be the motor. Rarely will the pump be the movable unit and have to align to the driver.
Driven:: Meaning in this text the driven unit which will usually be the pump or perhaps a gearbox.
Driven unit bearings:: Specifically, the bearings of the driven unit shaft which receives power directly from the driving unit.
Dual indicators:: Most dial indicator alignments are made with dual indicators, then sometimes more indicators to monitor the calculated lateral moves.

There are sixteen formats each in the Rim and Face chapter and the Single Side Reverse Dial chapter. Eight more formats in the Reverse Dial chapter. Dual indicator setups prevail in the majority of the alignment methods described this book.
Dual inlet impeller:: A shaft mounted rotating pump component. Low pressure pumpage fluid from opposing axial sources is directed toward each eye (inlet) from both sides of the impeller. This renders the impeller drawing equally from an equally split fluid source, which makes the impeller equalize axial pressure against itself at...

< Previous Excerpt Next Excerpt >

A Millwrights Guide to Motor/Pump Alignment, Second Edition

TABLE OF CONTENTS

D

Contact Preferences

This is embarrasing...

Customize Your GlobalSpec Experience

Select Your Free Newsletters

Industry Newsletters

Select Your Free Product Alerts

This is embarrasing...